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/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
 */

#include "lib.h"
#include "array.h"
#include "doveadm-mail.h"

#include "sieve.h"
#include "sieve-script.h"
#include "sieve-storage.h"

#include "doveadm-sieve-cmd.h"

struct doveadm_sieve_delete_cmd_context {
	struct doveadm_sieve_cmd_context ctx;

	ARRAY_TYPE(const_string) scriptnames;
	bool ignore_active:1;
};

static int
cmd_sieve_delete_run(struct doveadm_sieve_cmd_context *_ctx)
{
	struct doveadm_sieve_delete_cmd_context *ctx =
		(struct doveadm_sieve_delete_cmd_context *)_ctx;
	struct sieve_storage *storage = _ctx->storage;
	const ARRAY_TYPE(const_string) *scriptnames = &ctx->scriptnames;
	const char *scriptname;
	struct sieve_script *script;
	enum sieve_error error;
	int ret = 0;

	array_foreach_elem(scriptnames, scriptname) {
		int sret = 0;

		script = sieve_storage_open_script
			(storage, scriptname, NULL);
		if (script == NULL) {
			sret =  -1;
		} else {
			if (sieve_script_delete(script, ctx->ignore_active) < 0) {
				(void)sieve_storage_get_last_error(storage, &error);
				sret = -1;
			}
			sieve_script_unref(&script);
		}
			
		if (sret < 0) {
			i_error("Failed to delete Sieve script: %s",
				sieve_storage_get_last_error(storage, &error));
			doveadm_sieve_cmd_failed_error(_ctx, error);
			ret = -1;
		}
	}
	return ret;
}

static void cmd_sieve_delete_init
(struct doveadm_mail_cmd_context *_ctx,
	const char *const args[])
{
	struct doveadm_sieve_delete_cmd_context *ctx =
		(struct doveadm_sieve_delete_cmd_context *)_ctx;
	const char *name;
	unsigned int i;

	if (args[0] == NULL)
		doveadm_mail_help_name("sieve delete");
	doveadm_sieve_cmd_scriptnames_check(args);

	for (i = 0; args[i] != NULL; i++) {
		name = p_strdup(ctx->ctx.ctx.pool, args[i]);
		array_append(&ctx->scriptnames, &name, 1);
	}
}

static bool
cmd_sieve_delete_parse_arg(struct doveadm_mail_cmd_context *_ctx, int c)
{
	struct doveadm_sieve_delete_cmd_context *ctx =
		(struct doveadm_sieve_delete_cmd_context *)_ctx;

	switch ( c ) {
	case 'a':
		ctx->ignore_active = TRUE;
		break;
	default:
		return FALSE;
	}
	return TRUE;
}

static struct doveadm_mail_cmd_context *
cmd_sieve_delete_alloc(void)
{
	struct doveadm_sieve_delete_cmd_context *ctx;

	ctx = doveadm_sieve_cmd_alloc(struct doveadm_sieve_delete_cmd_context);
	ctx->ctx.ctx.getopt_args = "a";
	ctx->ctx.ctx.v.parse_arg = cmd_sieve_delete_parse_arg;
	ctx->ctx.ctx.v.init = cmd_sieve_delete_init;
	ctx->ctx.v.run = cmd_sieve_delete_run;
	p_array_init(&ctx->scriptnames, ctx->ctx.ctx.pool, 16);
	return &ctx->ctx.ctx;
}

struct doveadm_cmd_ver2 doveadm_sieve_cmd_delete = {
	.name = "sieve delete",
	.mail_cmd = cmd_sieve_delete_alloc,
	.usage = DOVEADM_CMD_MAIL_USAGE_PREFIX"[-a] <scriptname> [...]",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_MAIL_COMMON
DOVEADM_CMD_PARAM('a',"ignore-active",CMD_PARAM_BOOL,0)
DOVEADM_CMD_PARAM('\0',"scriptname",CMD_PARAM_ARRAY,CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
};